Analysis
- max time kernel
149s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 17:23
General
- Target 2026-08-20_a4d581969b274cfba85b9fa046a41052_cobalt-strike_icedid_njrat_satacom.exe
- Size 365KB
- Sample260820-vyfr7avxes
- SHA256 3bd9347535ef48ad0a41c11d52fe6a1ed90243b4c85cdcefccf94a0aa5a093b5
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
Install_directory
%AppData%
-
install_file
System12.exe
-
pastebin_url
https://pastebin.com/raw/32n4RM3M
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Detects Windows executables referencing non-Windows User-Agents 2 IoCs
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-20_a4d581969b274cfba85b9fa046a41052_cobalt-strike_icedid_njrat_satacom.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_a4d581969b274cfba85b9fa046a41052_cobalt-strike_icedid_njrat_satacom.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\a1e8c4b5.dat"C:\Users\Admin\AppData\Local\Temp\a1e8c4b5.dat"2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBFBC.tmp.bat""3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
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-
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C:\Users\Admin\AppData\Roaming\System12.exeC:\Users\Admin\AppData\Roaming\System12.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
a1e8c4b5.dat
tmpBFBC.tmp.bat
memory/1220-17-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1220-20-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1220-19-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/1220-18-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-7-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-14-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-9-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-8-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-6-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-5-0x0000000000370000-0x000000000039A000-memory.dmp
memory/6000-21-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-22-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp
memory/6000-4-0x00007FFC6847F000-0x00007FFC68480000-memory.dmp
memory/6000-27-0x00007FFC682F0000-0x00007FFC68C94000-memory.dmp